code. compile. run. debug. share.
Source Code
Language
#include<stdio.h>
long double myFloor(long double x) /* Change this to your liking: long double might
be float in your situation. */
{
long double xcopy=x<0?x*-1:x;
unsigned int zeros=0;
long double n=1;
for(n=1;xcopy>n*10;n*=10,++zeros);
for(xcopy-=n;zeros!=-1;xcopy-=n)
if(xcopy<0)
{
xcopy+=n;
n/=10;
--zeros;
}
xcopy+=n;
return x<0?(xcopy==0?x:x-(1-xcopy)):(x-xcopy);
}
int main(){
long double n;
while(1){
printf("Enter a number to floor: ");
scanf("%Lf", &n);
printf("%.2Lf\n", myFloor(n));
}
}
Compiling Program...
Standard Input:
Interactive Console
Text
Program is not being debugged. Click "Debug" button to start program in debug mode.
| # | Function | File:Line |
|---|
| Variable | Value |
|---|
| Register | Value |
|---|
| Expression | Value |
|---|
| # | Description |
|---|